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Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Pay vs Performance Disclosure [Table]      
Pay vs Performance [Table Text Block]

Pay Versus Performance

 

         Average
summary
compensation		  Average
compensation
actually paid		 

Value of initial fixed $100 investment based on:

 

      
Year  Summary
compensation
table total for PEO		  Compensation
actually paid
to PEO		  table total for
non-PEO named
executive
officers		  to non-PEO named
executive
officers		  Total
Shareholder
return		  MSCI US Semi & Semi Equipment GICS Index  Net income  ($Million) 

Revenue 

($Million)  

(a)  (b)  (c)  (d)  (e)  (f)  (g)  (h)  (i)
  (1)  (2)  (3)  (4)           
2023  4,061,200  168,462  4,611,901  168,462  1,476,328  1,844,174  188.31  179.40  125.5  892.1
2022  2,924,350  2,470,279  2,948,823  482,294  1,606,992  1,619,472  166.36  109.88  118.8  824.5
2021  1,272,800  2,006,994  1,417,864  1,471,055  1,067,949  1,123,199  133.24  158.40  55.4  663.8

 

(3)

Amounts shown above include the compensation actually paid to Dr. Lee, our CEO.

 

(4)Amounts shown above include the compensation actually paid to Dr. Kirlin, our former CEO.

(1)Amounts shown are the amounts of total compensation reported for Dr. Lee, our CEO, for column of the Summary Compensation Table (SCT).

 

(2)Amounts shown are the amounts of total compensation reported for Dr. Kirlin, our former CEO, for column of the Summary Compensation Table (SCT).

 

 

Compensation
actually paid
to PEO (3)
Year Salary Bonus The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year. The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year. The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year. The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year. Total
(a) (b) (c) (d) (e) (f) (h) (i)
2023 750,000 1,300,000 2,203,200 289,688 0 69,013 4,611,901
2022 650,000 963,800 1,216,500 242,213 0 (123,690) 2,948,823
2021 459,530 365,000 454,650 128,335 (165) 10,514 1,417,864

 

(3)Amounts shown above include the compensation actually paid to Dr. Lee, our CEO.

 

 

Compensation
actually paid
to PEO (4)
Year Income Bonus The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year. The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year.

The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year.

 

 The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year. Total
(a) (b) (c) (d) (e) (f) (h) (i)
2023 168,462 0 0 0 0 0 168,462
2022 735,079 0 0 0 0 (252,785) 482,294
2021 649,544 425,000 0 299,925 0 96,586 1,471,055

 

(4)Amounts shown above include the compensation actually paid to Dr. Kirlin, our former CEO.
    
Company Selected Measure Name Revenue    
Named Executive Officers, Footnote [Text Block]

(1)Amounts shown are the amounts of total compensation reported for Dr. Lee, our CEO, for column of the Summary Compensation Table (SCT).

 

(2)Amounts shown are the amounts of total compensation reported for Dr. Kirlin, our former CEO, for column of the Summary Compensation Table (SCT).
    
Adjustment To PEO Compensation, Footnote [Text Block]

 

Compensation
actually paid
to PEO (3)
Year Salary Bonus The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year. The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year. The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year. The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year. Total
(a) (b) (c) (d) (e) (f) (h) (i)
2023 750,000 1,300,000 2,203,200 289,688 0 69,013 4,611,901
2022 650,000 963,800 1,216,500 242,213 0 (123,690) 2,948,823
2021 459,530 365,000 454,650 128,335 (165) 10,514 1,417,864

 

(3)Amounts shown above include the compensation actually paid to Dr. Lee, our CEO.

 

Compensation
actually paid
to PEO (4)
Year Income Bonus The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year. The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year.

The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year.

 

 The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year. Total
(a) (b) (c) (d) (e) (f) (h) (i)
2023 168,462 0 0 0 0 0 168,462
2022 735,079 0 0 0 0 (252,785) 482,294
2021 649,544 425,000 0 299,925 0 96,586 1,471,055

 

(4)Amounts shown above include the compensation actually paid to Dr. Kirlin, our former CEO.
    
Non-PEO NEO Average Total Compensation Amount $ 1,476,328 $ 1,606,992 $ 1,067,949
Non-PEO NEO Average Compensation Actually Paid Amount $ 1,844,174 1,619,472 1,123,199
Compensation Actually Paid vs. Total Shareholder Return [Text Block]

 

    
Compensation Actually Paid vs. Net Income [Text Block]

 

    
Compensation Actually Paid vs. Company Selected Measure [Text Block]

   
Total Shareholder Return Vs Peer Group [Text Block]

 

    
Tabular List [Table Text Block]

Tabular List of Financial Performance Measures

 

The Company considers the following to be the most important financial performance measures it uses to link actual compensation paid to its Named Executive Officers, for the periods 2021, 2022 and 2023 as set forth in the graphs above.

 

●Net income

 

●Gross Margin

 

●EBITDA
    
Total Shareholder Return Amount $ 188.31 166.36 133.24
Peer Group Total Shareholder Return Amount 179.40 109.88 158.40
Net Income (Loss) Attributable to Parent $ 125,500,000 $ 118,800,000 $ 55,400,000
Company Selected Measure Amount 892,100,000 824,500,000 663,800,000
Measure [Axis]: 1      
Pay vs Performance Disclosure [Table]      
Measure Name Net income    
Measure [Axis]: 2      
Pay vs Performance Disclosure [Table]      
Measure Name Gross Margin    
Measure [Axis]: 3      
Pay vs Performance Disclosure [Table]      
Measure Name EBITDA    
Dr. Lee      
Pay vs Performance Disclosure [Table]      
PEO Total Compensation Amount [1] $ 4,061,200 $ 2,924,350 $ 1,272,800
PEO Actually Paid Compensation Amount [2] $ 4,611,901 $ 2,948,823 $ 1,417,864
Dr. Lee | PEO [Member]      
Pay vs Performance Disclosure [Table]      
PEO Name Dr. Lee Dr. Lee Dr. Lee
Dr. Lee | PEO [Member] | Salary      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] $ 750,000 $ 650,000 $ 459,530
Dr. Lee | PEO [Member] | Bonus      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] 1,300,000 963,800 365,000
Dr. Lee | PEO [Member] | The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] 2,203,200 1,216,500 454,650
Dr. Lee | PEO [Member] | The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] 289,688 242,213 128,335
Dr. Lee | PEO [Member] | The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] 0 0 (165)
Dr. Lee | PEO [Member] | The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [2] 69,013 (123,690) 10,514
Dr. Kirlin      
Pay vs Performance Disclosure [Table]      
PEO Total Compensation Amount [3] 168,462 2,470,279 2,006,994
PEO Actually Paid Compensation Amount [4] $ 168,462 $ 482,294 $ 1,471,055
Dr. Kirlin | PEO [Member]      
Pay vs Performance Disclosure [Table]      
PEO Name Dr. Kirlin Dr. Kirlin Dr. Kirlin
Dr. Kirlin | PEO [Member] | Bonus      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] $ 0 $ 0 $ 425,000
Dr. Kirlin | PEO [Member] | The fair value as of the end of the covered year for all stock and option awards that were granted during the year and that remain unvested as of the end of the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] 0 0 0
Dr. Kirlin | PEO [Member] | The change in fair value (whether positive or negative) as of the end of the covered year for any awards granted in any prior fiscal year that remain outstanding and unvested as of the end of the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] 0 0 299,925
Dr. Kirlin | PEO [Member] | The fair value as of the vesting date for any awards that were granted and vested in the covered fiscal year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] 0 0 0
Dr. Kirlin | PEO [Member] | The change in fair value (whether positive or negative) as of the vesting date of any awards granted in any prior year for which all applicable vesting conditions were satisfied during the covered year.      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] 0 (252,785) 96,586
Dr. Kirlin | PEO [Member] | Income      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount [4] $ 168,462 $ 735,079 $ 649,544
[1] Amounts shown are the amounts of total compensation reported for Dr. Lee, our CEO, for column of the Summary Compensation Table (SCT).
[2] Amounts shown above include the compensation actually paid to Dr. Lee, our CEO.
[3] Amounts shown are the amounts of total compensation reported for Dr. Kirlin, our former CEO, for column of the Summary Compensation Table (SCT).
[4] Amounts shown above include the compensation actually paid to Dr. Kirlin, our former CEO.